The best Las Vegas McCarran airport security wait times occur on Tuesday from 6-7pm. The worst Las Vegas McCarran security lines are on Sunday at 6-7am, where you could wait up to 37 minutes.
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The probability for a delay is at its lowest (20% or below) from 6am – 11am. Early morning flights have less runway traffic, planes ready to take off from the night before, and fewer planes already in the air. Days of the week can impact the ticket price, along with delays.
Generally, Tuesdays and Wednesdays are the best weekdays to fly. Thursday is a bit more expensive but still reasonable. Saturday is usually the cheapest weekend day to fly. That does not mean you cannot find great flight prices on the other days of the week.
Just like us after a night of good sleep, airline circulation is freshest in the morning. If your flight departs in the morning, you are less likely to be affected by delays that stack up during the day and push back or cancel departure times.
As you can see, while 2 to 3 hours before your flight might be a good general guideline, there isn't a one-size-fits-all answer when it comes to deciding how much time to allow at the airport.
Are flights busy at 6AM? The probability for a delay is at its lowest (20% or below) from 6am – 11am. Early morning flights have less runway traffic, planes ready to take off from the night before, and fewer planes already in the air. Days of the week can impact the ticket price, along with delays.
You should arrive 2 hours earlier for short-haul or domestic flights. As for long-haul or international flights, arriving 4 hours before the scheduled flight time should do the trick.